Home / 15,086.45-20,827.43-10,313.43

Finding the Fourth Proportional to 15,086.45, 20,827.43 and 10,313.43

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Solution

The fourth proportional to 15,086.45, 20,827.43 and 10,313.43 is: 14,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,086.45 : 20,827.43 = 10,313.43 : x
  2. Step 2: Convert to fraction form
    15,086.45/20,827.43 = 10,313.43/x
  3. Step 3: Cross multiply
    15,086.45x = 20,827.43 × 10,313.43
  4. Step 4: Simplify right side
    15,086.45x = 214,802,150.39
  5. Step 5: Solve for x
    x = 214,802,150.39/15,086.45
  6. Step 6: Final answer
    x = 14,238.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.